Apr 1981 Joined Kurabo Industries Ltd. Apr 1991 Joined Kataoka Jitsugyo Co., Ltd.; assumed office of Director, General Manager of Technology Department Dec 1993 Established the Company; assumed office of Representative Director, President (current) May 2021 Assumed office of Representative Director, President of Denshi Kagaku Co., Ltd. Dec 2021 Assumed office of Representative Director, Chairman of Denshi Kagaku Co., Ltd. (current)

Apr 2003 Joined Nikon Corporation Apr 2017 Seconded to Tochigi Nikon Corporation Oct 2019 Joined the Company Jul 2020 General Manager, Sales Department (current) Sep 2020 Assumed office of Director (current) May 2021 Assumed office of Director of Denshi Kagaku Co., Ltd. (current)

Apr 1990 Joined Daiwa Securities Co., Ltd. Oct 2002 Joined S.P. Network Co., Ltd. Jun 2008 Osaka Branch Manager of the same company Jul 2012 Executive Officer in charge of Western Japan of the same company Apr 2015 Executive Officer in charge of Head Office of the same company Apr 2017 Joined Helios Co., Ltd. (information and communications company) as Managing Executive Officer Apr 2018 Joined the Company May 2018 General Manager, Internal Audit Office Aug 2022 General Manager, Audit Office Sep 2022 Assumed office of Director (current) Mar 2023 General Manager, Administration Department (current) Jun 2023 Assumed office of Director of Denshi Kagaku Co., Ltd. (current)

Apr 1972 Joined Matsushita Electric Industrial Co., Ltd. (now Panasonic Corporation) Oct 1972 Seconded to Matsushita Electronics Corporation (now Panasonic Corporation), Semiconductor Division Aug 1977 Established Contec Co., Ltd. (now Osaka Computer Industry Co., Ltd.); assumed office of Representative Director (current) Apr 1979 Joined Techno Takatsuki Co., Ltd.; assumed office of Representative Director, President Dec 1993 Assumed office of Director of the Company (current) Jan 2020 Representative Director, Chairman of Techno Takatsuki Co., Ltd. Mar 2025 Director, Senior Advisor of Techno Takatsuki Co., Ltd. (current)

Apr 1969 Joined Itochu Corporation Jan 1994 Development & Venture Department Manager, Itochu International Inc. Apr 1997 Head of Space Information Division of the same company Jan 2000 Vice President, Space Information Multimedia Company, Itochu Corporation Jun 2004 Executive Officer, Head of Advanced Technology Strategy Office, Itochu Corporation Jul 2007 Advisor; Director, Itochu Advanced Technology Strategy Research Institute, Itochu Corporation Apr 2009 Fellow, Itochu Corporation (current) Apr 2009 Representative Director, Matsumi Associates LLC Dec 2014 Assumed office of Representative Director, President of Osaka University Venture Capital Co., Ltd. Jul 2017 Senior Advisor of Osaka University Venture Capital Co., Ltd. Sep 2018 Assumed office of Director of the Company (current)

Apr 1982 Joined Tokyo Shibaura Electric Co., Ltd. (now Toshiba Corporation) Mar 2002 General Manager, Production Engineering Department, Yokkaichi Plant, Toshiba Corporation Jun 2014 Executive Officer, Managing Director (in charge of Production Planning, Procurement and Production Engineering Center), Toshiba Corporation Jun 2016 Executive Officer, Senior Managing Director (in charge of Production and Procurement), Toshiba Corporation Nov 2017 Joined Toshiba Trading Co., Ltd. Dec 2017 Assumed office of Representative Director, President of Toshiba Trading Co., Ltd. Apr 2019 Assumed office of Representative Director of character Co., Ltd. (current) Sep 2021 Assumed office of Director of the Company (current)

Apr 1983 Joined Noritz Corporation Mar 2011 General Manager, Finance Department, Administration Division, Noritz Corporation Jan 2014 Assumed office of Representative Director, President of Noritz Capital Co., Ltd. Mar 2017 Assumed office of Audit & Supervisory Board Member, Noritz Corporation Mar 2019 Assumed office of Director (full-time Audit and Supervisory Committee Member), Noritz Corporation Sep 2024 Assumed office of Full-time Audit & Supervisory Board Member of the Company (current) Oct 2024 Assumed office of Audit & Supervisory Board Member of Denshi Kagaku Co., Ltd. (current)

Oct 1994 Joined Asahi Audit Corporation (now Azsa LLC) Apr 1998 Registered as Certified Public Accountant Aug 2004 Opened Hiroaki Umeda CPA Office; Head (current) Sep 2004 Registered as Certified Tax Accountant Mar 2011 Outside Audit & Supervisory Board Member, Fuji Seiki Co., Ltd. (current) Apr 2013 Representative Director, eSerb Co., Ltd. (current) Jun 2017 Director (Audit and Supervisory Committee Member), Toridoll Holdings Corporation (Resigned Jun 2025) Jun 2017 Member, IPO Audit Corporation (current) Sep 2024 Assumed office of Audit & Supervisory Board Member of the Company (current)

Dec 2009 Registered as Attorney-at-law Dec 2009 Joined Dojima Law Office Jun 2014 Seconded to Regional Economy Vitalization Corporation of Japan Sep 2016 Returned to Dojima Law Office (current) Jun 2017 Director (Audit and Supervisory Committee Member), Toridoll Holdings Corporation (current) Sep 2024 Assumed office of Audit & Supervisory Board Member of the Company (current)